Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands are vulnerable to denial of service due to [CVE-2023-2251]

Summary

Node.js module yaml is used by IBM App Connect Enterprise Certified Container for parsing YAML data. IBM App Connect Enterprise Certified Container DesignerAuthoring operands are vulnerable to denial of service. This bulletin provides patch information to address the reported vulnerability in Node.js module yaml. [CVE-2023-2251]

Vulnerability Details

CVEID:CVE-2023-2251
**DESCRIPTION:**YAML is vulnerable to a denial of service, caused by an uncaught exception in the parseDocument and parseAllDocuments functions. By sending a specially crafted input, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253642 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly suggests the following:
App Connect Enterprise Certified Container 7.1.x to 8.0.x (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 8.1.0 or higher, and ensure that all DesignerAuthoring components are at 12.0.8.0-r1 or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect/containers_cd?topic=releases-upgrading-operator&gt;

App Connect Enterprise Certified Container 5.0.3 to 5.0.6 LTS (Long Term Support)

Upgrade to App Connect Enterprise Certified Container Operator version 5.0.7 or higher, and ensure that all DesignerAuthoring components are at 12.0.8.0-r2-lts or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect-contlts?topic=releases-upgrading-operator&gt;

Workarounds and Mitigations

None